1. Hurter Driffield Index is used to measureNiTi instrumentDental cariesradiographStainless steelQuestion 1 of 20 2. Discoid lupus erythematosus has all of the following characteristics except one. Which one is the exception?Involves damage to the heart and kidneyAffects the skin of the face and scalpPredominately affects middle-aged womenProduces oral lesions that resemble erosive lichen planusQuestion 2 of 20 3. Best view for condylar neck fraturePA skullOccipito mentalReverse towne'sSubmentovertexQuestion 3 of 20 4. Which of these structures hinders in imaging the root of maxillary molarsOrbital process of zygomaZygoma and zygomatic process of maxillapalatine boneMaxillary sinusQuestion 4 of 20 5. A periapical image shows overlapped contacts. This error is caused byVertical angulation is excessiveVertical angulation is insufficientBeam not centered over receptorIncorrect horizontal angulationQuestion 5 of 20 6. in which one of the following condition sialography is contraindicatedacute parotitisrecurrent parotitisductal calculuschronic parotitisQuestion 6 of 20 7. A 40 year old male got a blow to angle of mandible but remained asymptomatic.Radiographic examination shows a radioopaque line in the concerned area with a sharp undercut at the lower border of mandible.It may besutural diasthetsisseparation signnon union signoverlapping signQuestion 7 of 20 8. Occlusal radiographs are useful for all of the following except one. Which one is the exception?For displaying large segments of the mandibular archWhen there are sialoliths in the floor of the mouthWhen there is buccal-lingual expansion of the mandibleFor views of the temporomandibular joint (TMJ)Question 8 of 20 9. Which of the following uses alogarithmCariostarlaser dopplerDifotiCariogramQuestion 9 of 20 10. If an exposed radiograph is too dark after proper development, you should ____.Place it back in the developerDecrease exposure timeDecrease development timePlace it back in the fixerQuestion 10 of 20 11. Maximum fogging effect is seen byCompton scatteringCharacteristic radiationCoherentPhotoelectric absorptionQuestion 11 of 20 12. Cervical burnout is phenomenon seen inCervical cariesCervical thin enamelOcclusal cariesproximal cariesQuestion 12 of 20 13. the density of a radiograph is reduced by increasingkilovoltagesource film distancemiliamperageexposure timeQuestion 13 of 20 14. Black branching lines appear on a processed film. Which of the following is the most likely cause?developer cutofffixer cutofffingernail damagestatic electricityQuestion 14 of 20 15. reversal lines are characteristic on the radiograph ofepidermoid cystosteomaosteosarcomapaget's disease of boneQuestion 15 of 20 16. Machine A has FOV(field of view) of 6-12 inches,while machine B has FOV of 1.6 to 3.1 inches. Which CBCT machine will produce higher resolution image and deliver less radiationMachine ABoth will give same resolution of imageFOV does not matterMachine BQuestion 16 of 20 17. What is the effect on radiograph if there are scratches on intensifying screenLight spots on radiographReticulation in the radiographDark spot on radiographNo effectQuestion 17 of 20 18. An anatomic structure which has a worm hole radiolucency is characteristic ofMaxillary sinusNutrient canalMental foramenMandibular canalQuestion 18 of 20 19. Which of the following focuses the electrons into a narrow beam and directs the beam across the tube towards tungsten target of the anodemolybdenum cuptungsten filamentcopper steminsulating oilQuestion 19 of 20 20. In the body which atom is useful in magnetic resonance imaging(MRI)HydrogenOxygenSulphurNitrogenQuestion 20 of 20 Loading...
